69230 Hermes (1937 UB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6239175999 ± 2.00e+00
Semi-major axis (a)1.6550671635 AU ± 3.00e+00
Inclination (i)6.06733172° ± 4.00e+00
Long. of Asc. Node (Ω)34.04621202° ± 5.00e+00
Arg. of Perihelion (ω)92.91320308° ± 6.00e+00
Mean Anomaly (M)104.55554509° ± 5.97e-06
Mean Motion (n)0.4629017713°/day ± 1.26e+00
Perihelion dist (q)0.62244163 AU ± 3.50e+00
Aphelion dist (Q)2.68769270 AU ± 5.89e+00
Orbital Period2.12923420 yr ± 5.79e+00
NGA Modelr2
A22.15662232e-06 AU/d²
Physical Parameters
H (abs. magnitude)17.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.557″
Uncertainty0
Orbit TypeApollo
MOID0.004682 AU
Observations Used2722
Oppositions47
Arc Total1937-2025
First Observation Used2000-09-16
Last Observation Used2025-06-30
Observations (4098)
Date Type RA Dec Mag Band Observatory
2020-09-25 22:44:11 s 1 +143381.78 0 +271367.31 3710.0 C57
2020-09-25 22:54:11 S 00 44 39.024 -04 38 14.64 V C57
2020-09-25 22:54:11 s 1 +143115.04 7 +271899.94 2410.0 C57
2020-09-25 23:04:11 S 00 44 38.143 -04 38 16.62 V C57
2020-09-25 23:04:11 s 1 +142847.60 5 +272431.22 770.0 C57
2020-09-25 23:14:11 S 00 44 37.061 -04 38 25.19 V C57
2020-09-25 23:14:11 s 1 +142579.46 0 +272961.16 8800.0 C57
2020-09-25 23:24:11 S 00 44 35.959 -04 38 28.50 V C57
2020-09-25 23:24:11 s 1 +142310.61 4 +273489.77 6500.0 C57
2020-09-25 23:34:11 S 00 44 35.285 -04 38 34.40 V C57
2020-09-25 23:34:11 s 1 +142041.07 1 +274017.03 3870.0 C57
2020-09-26 00:04:11 S 00 44 32.035 -04 38 47.40 V C57
2020-09-26 00:04:11 s 1 +141228.29 7 +275590.83 4000.0 C57
2020-09-26 01:24:11 S 00 44 24.312 -04 39 33.52 V C57
2020-09-26 01:24:11 s 1 +139031.13 0 +279729.24 3660.0 C57
2020-09-26 01:44:11 S 00 44 22.202 -04 39 48.74 V C57
2020-09-26 01:44:11 s 1 +138475.22 3 +280750.65 460.0 C57
2020-09-26 01:54:11 S 00 44 21.199 -04 39 54.14 V C57
2020-09-26 01:54:11 s 1 +138196.29 5 +281259.39 3410.0 C57
2020-09-26 02:04:11 S 00 44 20.297 -04 40 00.59 V C57
2020-09-26 02:04:11 s 1 +137916.72 3 +281766.82 6050.0 C57
2020-09-26 02:14:11 S 00 44 19.037 -04 40 06.06 V C57
2020-09-26 02:14:11 s 1 +137636.51 0 +282272.94 8390.0 C57
2020-09-26 02:24:11 S 00 44 18.228 -04 40 10.38 V C57
2020-09-26 02:24:11 s 1 +137355.65 9 +282777.75 440.0 C57
2020-09-26 02:34:11 S 00 44 17.153 -04 40 16.36 V C57
2020-09-26 02:34:11 s 1 +137074.17 3 +283281.27 2190.0 C57
2020-09-26 02:44:11 S 00 44 16.176 -04 40 23.27 V C57
2020-09-26 02:44:11 s 1 +136792.05 6 +283783.47 3640.0 C57
2020-09-26 02:54:11 S 00 44 15.014 -04 40 28.78 V C57
2020-09-26 02:54:11 s 1 +136509.31 1 +284284.38 4800.0 C57
2020-09-26 03:04:11 S 00 44 14.278 -04 40 34.93 V C57
2020-09-26 03:04:11 s 1 +136225.94 0 +284783.99 5670.0 C57
2020-09-26 03:14:11 S 00 44 12.926 -04 40 40.33 V C57
2020-09-26 03:14:11 s 1 +135941.94 8 +285282.30 6250.0 C57
2020-09-26 03:34:11 S 00 44 11.081 -04 40 47.35 V C57
2020-09-26 03:34:11 s 1 +135372.11 2 +286275.04 6550.0 C57
2020-09-26 03:54:11 S 00 44 09.082 -04 41 03.98 V C57
2020-09-26 03:54:11 s 1 +134799.82 7 +287262.60 5720.0 C57
2020-09-26 04:04:11 S 00 44 08.215 -04 41 05.93 V C57
2020-09-26 04:04:11 s 1 +134512.77 4 +287754.45 4880.0 C57
2020-09-26 04:14:11 S 00 44 07.078 -04 41 10.28 V C57
2020-09-26 04:14:11 s 1 +134225.11 9 +288245.02 3760.0 C57
2020-09-26 04:24:11 S 00 44 06.422 -04 41 15.83 V C57
2020-09-26 04:24:11 s 1 +133936.86 3 +288734.30 2360.0 C57
2020-09-26 04:34:11 S 00 44 05.160 -04 41 25.55 V C57
2020-09-26 04:34:11 s 1 +133648.01 1 +289222.29 690.0 C57
2020-09-26 04:44:11 S 00 44 04.133 -04 41 30.84 V C57
2020-09-26 04:44:11 s 1 +133358.56 6 +289709.00 8740.0 C57
2020-09-26 04:54:11 S 00 44 03.070 -04 41 33.79 V C57
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-10-18 04:00:00 279933.18 0.75 Hz 2380 -1 -1
2003-10-18 04:50:00 176527379.2 2 us 2380 -1 -1
2003-10-26 03:00:00 100887889.8 1 us 2380 -1 -1
2003-11-04 00:40:00 39871.89 2 Hz 8560 -14 -14
2003-11-08 19:00:00 -646081.37 1.5 Hz 8560 -14 -14
2003-11-08 20:40:00 65849141.496 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)